Calculate the number of atoms and volume of `1g` helium gas at `STP`

Calculate the number of atoms in 1g of helium

Calculate number of atoms in 8 g Helium

Calculate the number of atoms in 52 u of Helium (He)

Calculate the number of atoms in 52 g of Helium (He)

Calculate the number of moles in 22g of helium.

Calculate the volume occupied by 0.01 moles of helium gas at STP.

Calculate the number of moles and molecules of ammonia (NH_3) gas in a volume 67.2 dm3 of it measured at STP.

Calculate the number of O-atoms present inn 112 L of CO_(2) gas at STP.